Constant Power To Trailer Brakes. I do know that the trailer brakes are getting power without the brake controller plugged in. Trailer is brand spanking new, so is the truck more or less.
Disclosure: we may earn money or products from the companies mentioned in this post via affiliate links to In case you often deal with trailer hauling, a brake controller is one of significant pieces, which is able to protect your automobile, trailer and life.
This allows you to activate the trailer brakes whenever desired, without applying A trailer brake controller uses electricity from the tow vehicle to apply a specific amount of power to the trailer brakes.
I have disconnected the brake controller and still has power. thanks. Abbreviated as hydraulic brakes and air brakes. As a test I used an extra wiring harness and plugged it into the ML's trailer socket (under the rear of the vehicle next to the spare tire) and did not attach any.
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